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CN111794929A
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Hydraulic balance reciprocating pump
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Submersible single-cylinder plunger oil pump
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Double-acting plunger pump hydraulic end and plunger pump adopting same
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Spherical valve group capable of changing valve face operation position
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A kind of hydraulic resistance balance reciprocating pump
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A kind of vertical reciprocation pump power end of more spherical surface connections
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A kind of roller slide plate pump rotor
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A kind of dynamic air inlet liquid conveying device
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A kind of reciprocating pump hydraulic-end for oil field note medium containing sand
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A kind of combination valve applied to double action for reciprocating pump
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A kind of double acting fluid end of the horizontal valve group of reciprocating pump
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It is a kind of can synchronous transport gas-liquid filter
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For conveying the hydraulic end of plunger pump of liquid carbon dioxide and other gassiness media
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The water injecting pump of the vertical reciprocation pump power end and application of more spherical surface connections power end
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A kind of latent well formula single-cylinder vertical plunger oil-well pump
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A kind of fluid end of letter body, the pump housing, fuselage consecutive formula composite structure
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A kind of oil field water injection wellhead individual well direct-filling type augmented injection pump
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A kind of fluid end of reversed suction self-balance type booster pump
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A kind of Double-powering balances the fluid end of import high pressure entirely
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A kind of combined type entirety idler wheel slide plate
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